# File lib/reactive_resource/association/has_one_association.rb, line 38
      def add_helper_methods(klass, attribute)
        association = self
        klass.class_eval do 
          # lawyer.headshot
          define_method(attribute) do
            unless instance_variable_get("@#{attribute}")
              object = association.resolve_relationship(self)
              instance_variable_set("@#{attribute}", object)
            end
            instance_variable_get("@#{attribute}")
          end
        end
      end